Mxyzptlk

Level 1 of the Dungeon
(0, 0, D:1)
  a ball python corpse (skeletalised by now)
(4, -14, D:1)
  a rat corpse (skeletalised by now)
(11, -23, D:1)
  a bat corpse (skeletalised by now)
  a bat corpse (skeletalised by now)
(12, -1, D:1)
  a rat corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
(28, -14, D:1)
  a +0 dagger
(33, -2, D:1)
  a ball python skeleton
(42, -1, D:1)
  a +0 whip of electrocution
  2 stones
  a quokka skeleton
(47, 6, D:1)
  a ball python skeleton
(48, -17, D:1)
  a +0 dagger
(51, 13, D:1)
  a +0 spear
(55, -36, D:1)
  a +0 dagger
  2 stones
  a kobold corpse (skeletalised by now)
(57, -28, D:1)
  a +0 dagger
  3 stones
  a kobold corpse (skeletalised by now)

Level 2 of the Dungeon
(4, 5, D:2)
  a ball python skeleton
(5, 5, D:2)
  a +0 club
  a kobold skeleton
(16, 5, D:2)
  a +0 club
  a frilled lizard corpse (skeletalised by now)
  a rat corpse (skeletalised by now)
  a goblin corpse (skeletalised by now)
  a bat corpse (skeletalised by now)
(16, 35, D:2)
  a quokka skeleton
(22, 25, D:2)
  6 stones
(26, 48, D:2)
  a bat corpse (skeletalised by now)
(33, 13, D:2)
  a jackal corpse (skeletalised by now)
(36, 34, D:2)
  a +0 club
  a goblin skeleton
(41, 27, D:2)
  a ball python corpse (skeletalised by now)
(44, 12, D:2)
  a +0 leather armour
(49, 6, D:2)
  7 stones

Level 3 of the Dungeon
(6, -21, D:3)
  a ball python corpse
(14, -7, D:3)
  5 stones
(20, -15, D:3)
  a +0 robe
(22, -29, D:3)
  a +0 whip
(23, -30, D:3)
  a +0 club
  a +0 robe
(23, -29, D:3)
  a +0 halberd
  a gnoll corpse
(27, -37, D:3)
  13 gold pieces